| A | B |
|---|
| Oxygen on earth made by | plants |
| Natural selection | best adapted survive, mate & pass on their genes |
| Homologous structures | similar origin but different structures |
| Biochemical evidence | comparing DNA in organisms |
| Polygenic traits | eye color, skin tone in humans |
| Adaptation | characteristic that helps organism survive |
| Incomplete dominance | red and white plants make pinkbabies |
| Fossil record | evidence of life on Earth |
| Species | can mate and have viable babies |
| Vestigial structures | no longer used in an organism |
| Sex-linked traits | hemophilia and colorblindness |
| Incomplete dominance | human blood typing; |
| Embryological development | how unborn babies grow |
| Codominance | green and yellow parakeet |
| Population | smallest unit that can evolve |
| Stabilizing selection | heterozygote survives |
| Directional selection | most hummingbirds have long beaks |
| Geographic isolation | why animals on mainland look different from those on islands nearby |
| Adaptive radiation | 1 species becomes many over time |
| Coevolution | flower looks like female wasp |
| Drug resistance | bacteria evolve to be immune |
| Disruptive selection | both homozygotes survive |
| Passive immunity | baby gets milk from mother |
| Active immunity | one gets sick, then well again |
| Vaccine | gives immunity to specific disease |
